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I put a restrictor before the whistle valve. Tapped the base of the valve internally then made a plug to screw into it with a hole through the centre. I then adjusted the size of the hole until I got a pleasing tolerable sound. the valve body and the whistle base acts as expansion space so does lower the pressure. my ears do not bleed anymore when I blow the whistle.
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I would think most of us in our age group Bob. But it never seemed to affect me when trainspotting in the 1950s. Standing next to an A1, A2, A3 or V2 when the whistle blew would make me jump just as it did when the safety valves lifted without warning, but balance then was no problem.
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There is so much good in the worst of us and so much bad in the best of us, it hardly behoves any of us to talk about the rest of us |
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Not age , Roy . Really shrill whistles have always made me buckle at the knees and lose balance . The young drivers of a certain Burrell crane tractor used to enjoy proving the point .
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Quote:
Were you at Dorset when this happened? http://www.youtube.com/watch?v=Cn5djQrJFGQ
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There is so much good in the worst of us and so much bad in the best of us, it hardly behoves any of us to talk about the rest of us |
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